17 results
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... Neuropathy - Foot drop ... Commonly caused ... #neurology #sensory ... #motor #leg #physicalexam
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
Sensory loss below ... saddle anesthesia. leg ... #diagnosis #pathophysiology ... signs #symptoms #msk ... #orthopedics #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Sciatica • Tarsal tunnel ... Herpes zoster - HIV ... lower #extremity #msk ... #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Wrist drop - Occurs ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... (Contralateral motor ... • Decreased Level ... Brown-Sequard Syndrome ... #Hemiplegia #Neurology
Incomplete spinal cord syndromes (ISCS)
 • Central - Small Lesion - Suspended sensory deficit, classic cape
Incomplete spinal cord syndromes ... Disproportionate motor ... LMN deficit at level ... multiradicular pain, leg ... #diagnosis #neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... of sensory loss ... multiradicular pain - Leg ... #differential #diagnosis ... #neurology
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
involvement: Intractable nausea ... Transverse myelitis: Motor ... and sensory deficits ... Manifestations #diagnosis ... #neurology #symptoms
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential Diagnosis ... • Exercise • Fever ... • Fanconi's syndrome ... Protein deposition (eg
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
flexors of the legs ... back pain at/near level ... , motor, or autonomic ... level • CSF inflammation ... #management #neurology